{
  "containers": {
    "cna": {
      "affected": [
        {
          "collectionURL": "https://cpan.org/modules",
          "defaultStatus": "unaffected",
          "packageName": "Archive-Tar",
          "product": "Archive::Tar",
          "programFiles": [
            "lib/Archive/Tar.pm"
          ],
          "programRoutines": [
            {
              "name": "Archive::Tar::_read_tar"
            }
          ],
          "repo": "https://github.com/jib/archive-tar-new",
          "vendor": "BINGOS",
          "versions": [
            {
              "lessThan": "3.10",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Archive::Tar versions before 3.10 for Perl allow memory exhaustion via attacker controlled entry size field in tar header.\n\n_read_tar() reads each entry\u0027s payload with $handle-\u003eread($$data, $block), where $block is derived from the entry\u0027s 12-byte size field in the tar header with no upper bound on that value.\n\nA crafted header declaring a multi-gigabyte size causes Perl to allocate a scalar of that size."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-789",
              "description": "CWE-789 Memory Allocation with Excessive Size Value",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-26T00:18:43.704Z",
        "orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
        "shortName": "CPANSec"
      },
      "references": [
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/jib/archive-tar-new/commit/f9af01426038e29d9578825a0cd3626946ab08c7.patch"
        },
        {
          "tags": [
            "release-notes"
          ],
          "url": "https://metacpan.org/release/BINGOS/Archive-Tar-3.10/changes"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to Archive::Tar 3.10 or later."
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "timeline": [
        {
          "lang": "en",
          "time": "2026-05-25T00:00:00.000Z",
          "value": "Issue reported."
        },
        {
          "lang": "en",
          "time": "2026-05-25T00:00:00.000Z",
          "value": "Version 3.10 released."
        }
      ],
      "title": "Archive::Tar versions before 3.10 for Perl allow memory exhaustion via attacker controlled entry size field in tar header",
      "x_generator": {
        "engine": "cpansec-cna-tool 0.1"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
    "assignerShortName": "CPANSec",
    "cveId": "CVE-2026-9538",
    "datePublished": "2026-05-26T00:18:43.704Z",
    "dateReserved": "2026-05-25T23:04:04.116Z",
    "dateUpdated": "2026-05-26T00:18:43.704Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}